const electron = require('electron');
// Module to control application life.
const app = electron.app;
// Module to create native browser window.
const BrowserWindow = electron.BrowserWindow;
// Menu 
const {Menu} = require('electron');

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;

function createWindow () {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: 1000, 
    height: 600, 
    title: 'Highcharts Editor',
    webPreferences: {
      nodeIntegration: false
    }
  });

  // and load the index.html of the app.
  mainWindow.loadURL(`file://${__dirname}/index.html`);

  // Emitted when the window is closed.
  mainWindow.on('closed', function () {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null;
  });

   var template = [{
        label: "Application",
        submenu: [
         //   { label: "About Application", selector: "orderFrontStandardAboutPanel:" },
         //   { type: "separator" },
            { label: "Quit", accelerator: "Command+Q", click: function() { app.quit(); }}
        ]}, 
        {
        label: "Edit",
        submenu: [            
            { label: "Copy", accelerator: "CmdOrCtrl+C", selector: "copy:" },
            { label: "Paste", accelerator: "CmdOrCtrl+V", selector: "paste:" }
        ]},
        {
          label: 'View',
          submenu: [
            {
              label: 'Toggle Developer Tools',
              accelerator: process.platform === 'darwin' ? 'Alt+Command+I' : 'Ctrl+Shift+I',
              click (item, focusedWindow) {
                if (focusedWindow) focusedWindow.webContents.toggleDevTools()
              }
            }]
          }
    ];

   const menu = Menu.buildFromTemplate(template)
   Menu.setApplicationMenu(menu)
 }

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow);

// Quit when all windows are closed.
app.on('window-all-closed', function () {
  // On OS X it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit();
  }
})

app.on('activate', function () {
  // On OS X it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (mainWindow === null) {
    createWindow();
  }
})